115131287554145 has 16 divisors (see below), whose sum is σ = 140649144491520. Its totient is φ = 90447295895424.

The previous prime is 115131287554117. The next prime is 115131287554399. The reversal of 115131287554145 is 541455782131511.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115131287554145 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207981617 + ... + 208534446.

It is an arithmetic number, because the mean of its divisors is an integer number (8790571530720).

Almost surely, 2^{115131287554145} is an apocalyptic number.

It is an amenable number.

115131287554145 is a deficient number, since it is larger than the sum of its proper divisors (25517856937375).

115131287554145 is an equidigital number, since it uses as much as digits as its factorization.

115131287554145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416517064.

The product of its digits is 3360000, while the sum is 53.

The spelling of 115131287554145 in words is "one hundred fifteen trillion, one hundred thirty-one billion, two hundred eighty-seven million, five hundred fifty-four thousand, one hundred forty-five".